DE69604209T2 - Test method for a pit length modulation-based recording method and optical information recording / reproducing apparatus using this test method - Google Patents

Test method for a pit length modulation-based recording method and optical information recording / reproducing apparatus using this test method

Info

Publication number
DE69604209T2
DE69604209T2 DE69604209T DE69604209T DE69604209T2 DE 69604209 T2 DE69604209 T2 DE 69604209T2 DE 69604209 T DE69604209 T DE 69604209T DE 69604209 T DE69604209 T DE 69604209T DE 69604209 T2 DE69604209 T2 DE 69604209T2
Authority
DE
Germany
Prior art keywords
test method
reproducing apparatus
optical information
pit length
length modulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69604209T
Other languages
German (de)
Other versions
DE69604209D1 (en
Inventor
Shunpei Kimura
Akira Miyashita
Takaaki Ashinuma
Tsutomu Shiratori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP7014099A external-priority patent/JPH08203080A/en
Priority claimed from JP7182614A external-priority patent/JPH0935358A/en
Priority claimed from JP7182613A external-priority patent/JPH0935357A/en
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69604209D1 publication Critical patent/DE69604209D1/en
Publication of DE69604209T2 publication Critical patent/DE69604209T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10595—Control of operating function
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
    • G11B11/1053—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed to compensate for the magnetic domain drift or time shift
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE69604209T 1995-01-31 1996-01-30 Test method for a pit length modulation-based recording method and optical information recording / reproducing apparatus using this test method Expired - Fee Related DE69604209T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7014099A JPH08203080A (en) 1995-01-31 1995-01-31 Write test method and optical information recording and reproducing device
JP7182614A JPH0935358A (en) 1995-07-19 1995-07-19 Write testing method and optical information recording and reproducing device
JP7182613A JPH0935357A (en) 1995-07-19 1995-07-19 Write testing method and optical information recording and reproducing device

Publications (2)

Publication Number Publication Date
DE69604209D1 DE69604209D1 (en) 1999-10-21
DE69604209T2 true DE69604209T2 (en) 2000-03-23

Family

ID=27280529

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69604209T Expired - Fee Related DE69604209T2 (en) 1995-01-31 1996-01-30 Test method for a pit length modulation-based recording method and optical information recording / reproducing apparatus using this test method

Country Status (3)

Country Link
US (1) US5815477A (en)
EP (1) EP0725397B1 (en)
DE (1) DE69604209T2 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0969246A (en) * 1995-08-30 1997-03-11 Canon Inc Optical information recording/reproducing apparatus
US7123563B2 (en) * 1996-12-06 2006-10-17 Koninklijke Philips Electronics N.V. Optical recording method and apparatus using this method
JP3916675B2 (en) * 1996-12-24 2007-05-16 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Optical recording method and apparatus using the method
JP3608926B2 (en) 1996-12-26 2005-01-12 株式会社日立製作所 Information recording device
TW382703B (en) * 1997-03-14 2000-02-21 Hitachi Ltd Signal recording method, phase difference detecting circuit, and information apparatus
US20020031068A1 (en) * 1997-05-01 2002-03-14 U.S. Philips Corporation Method and apparatus for writing optical recording media
US6125085A (en) * 1997-07-02 2000-09-26 Sharp Kabushiki Kaisha Optical recording method and device for optimally controlling the width of the recording marks
JP3703315B2 (en) * 1997-10-01 2005-10-05 キヤノン株式会社 Magneto-optical recording and reproducing method and reproducing apparatus therefor
JP3076033B1 (en) * 1998-09-14 2000-08-14 松下電器産業株式会社 Optical information recording / reproducing apparatus and information recording medium
JP2000215453A (en) * 1999-01-20 2000-08-04 Fujitsu Ltd Method and device for controlling power of irradiation beam to recording medium and information recorded using it
KR100304704B1 (en) * 1999-03-25 2001-09-26 윤종용 EFM signal generating apparatus and method for optical disk reproducing system
DE60021960T2 (en) * 1999-06-25 2006-03-23 Samsung Electronics Co., Ltd., Suwon Method for compensation of inclination and / or defocusing, and device for the same
JP2001023254A (en) * 1999-07-02 2001-01-26 Canon Inc Method for testing magneto-optical recording and magneto-optical recording and reproducing device
JP3719889B2 (en) * 1999-11-29 2005-11-24 株式会社リコー Recording method and recording apparatus for optical recording medium
TW548633B (en) * 2001-02-09 2003-08-21 Acer Labs Inc Constant angular velocity data write system and the laser power control method thereof
US7079460B2 (en) * 2002-02-21 2006-07-18 Mitsumi Electric Co., Ltd. Optical power level-controlling device for stable oscillation of laser diode
CN100392730C (en) * 2002-06-18 2008-06-04 皇家飞利浦电子股份有限公司 Method and device for recording marks representing data in an information layer of an optical record carrier
JP4500495B2 (en) * 2003-01-28 2010-07-14 株式会社日立製作所 Information recording / reproducing apparatus and information recording medium
JP2005004906A (en) * 2003-06-13 2005-01-06 Ricoh Co Ltd Method and device for recording information
JP2005004905A (en) * 2003-06-13 2005-01-06 Ricoh Co Ltd Method and device for recording information
KR101058071B1 (en) * 2003-06-27 2011-08-19 코닌클리케 필립스 일렉트로닉스 엔.브이. Control method of diode device for use in optical storage system
TW200735065A (en) * 2005-06-29 2007-09-16 Koninkl Philips Electronics Nv Speed-down during linking
US20080225777A1 (en) * 2005-11-04 2008-09-18 Koninklijke Philips Electronics, N.V. Method and Device for Controlling Write Power in a Recordable Optical Storage System
US9558607B2 (en) * 2012-11-14 2017-01-31 Infineon Technologies Ag Relay attack prevention using RSSIPPLX

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918677A (en) * 1985-01-23 1990-04-17 Canon Kabushiki Kaisha Information recording/reproducing apparatus including a plurality of recording or reproducing rates
EP0258978B1 (en) * 1986-07-08 1998-10-07 Canon Kabushiki Kaisha Magnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the same
JPS63239637A (en) * 1987-03-27 1988-10-05 Canon Inc Magneto-optical recording medium and recording method thereof
JP2732847B2 (en) * 1988-02-10 1998-03-30 日立マクセル株式会社 Optical recording medium evaluation device
JPH06195713A (en) * 1992-12-28 1994-07-15 Hitachi Ltd Recording method in optical recording
JP2915098B2 (en) * 1990-06-29 1999-07-05 株式会社日立製作所 Digital signal recording / reproducing device
JPH06208740A (en) * 1993-01-11 1994-07-26 Hitachi Ltd Magneto-optical recording method
JP3345932B2 (en) * 1992-02-13 2002-11-18 株式会社日立製作所 Optical disk device and optical information recording / reproducing method
JPH05274738A (en) * 1992-03-30 1993-10-22 Mitsubishi Electric Corp Light modulation overwrite recorder

Also Published As

Publication number Publication date
EP0725397A3 (en) 1996-12-27
EP0725397A2 (en) 1996-08-07
DE69604209D1 (en) 1999-10-21
EP0725397B1 (en) 1999-09-15
US5815477A (en) 1998-09-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee